IGCSE Biology (0610) grade boundaries — March 2026
Cambridge IGCSE (CAIE) (0610). The official grade thresholds for the March 2026 series — the minimum raw mark needed for each grade, by tier and paper combination. Pick the option matching the papers you sat.
Cambridge publishes these as grade threshold tables: "grade thresholds" and "grade boundaries" are two names for the same numbers.
March 2026 at a glance
- A A* in Biology required 171/200 (86%) on extended · papers 22, 42, 52.
- That A* threshold is 8 marks higher than November 2025 — slightly harder to achieve.
- A grade C needed roughly 55% on extended · papers 22, 42, 52.
Core · Papers 12, 32, 52
| Grade | Min mark | Min % |
|---|---|---|
| C | 122 | 61% |
| D | 109 | 55% |
| E | 97 | 49% |
| F | 83 | 42% |
| G | 69 | 35% |
Maximum mark: 200.
Core · Papers 12, 32, 62
| Grade | Min mark | Min % |
|---|---|---|
| C | 122 | 61% |
| D | 109 | 55% |
| E | 97 | 49% |
| F | 83 | 42% |
| G | 69 | 35% |
Maximum mark: 200.
Extended · Papers 22, 42, 52
| Grade | Min mark | Min % |
|---|---|---|
| A* | 171 | 86% |
| A | 150 | 75% |
| B | 129 | 65% |
| C | 109 | 55% |
| D | 94 | 47% |
| E | 80 | 40% |
| F | 65 | 33% |
| G | 50 | 25% |
Maximum mark: 200.
Extended · Papers 22, 42, 62
| Grade | Min mark | Min % |
|---|---|---|
| A* | 171 | 86% |
| A | 150 | 75% |
| B | 129 | 65% |
| C | 109 | 55% |
| D | 94 | 47% |
| E | 80 | 40% |
| F | 65 | 33% |
| G | 50 | 25% |
Maximum mark: 200.
Calculate your Biology grade →
Figures sourced from the official Cambridge grade threshold tables. Always confirm with your exam board.